/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/HierarchyEditor/NiagaraSummaryViewViewModel.h
class FNiagaraHierarchyInputParameterHierarchyDragDropOp : public [FNiagaraHierarchyDragDropOp](API\Plugins\NiagaraEditor\ViewModels\HierarchyEditor\FNiagaraHierarchyDragDropOp)